132661473 has 36 divisors (see below), whose sum is σ = 209859408. Its totient is φ = 74321520.

The previous prime is 132661471. The next prime is 132661481. The reversal of 132661473 is 374166231.

It is not a de Polignac number, because 132661473 - 2¹ = 132661471 is a prime.

Its product of digits (18144) is a multiple of the sum of its prime divisors (224).

It is not an unprimeable number, because it can be changed into a prime (132661471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1012618 + ... + 1012748.

It is an arithmetic number, because the mean of its divisors is an integer number (5829428).

Almost surely, 2^132661473 is an apocalyptic number.

It is an amenable number.

132661473 is a deficient number, since it is larger than the sum of its proper divisors (77197935).

132661473 is an equidigital number, since it uses as much as digits as its factorization.

132661473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 224 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 132661473 is about 11517.8762365290. The cubic root of 132661473 is about 510.0134214077.

The spelling of 132661473 in words is "one hundred thirty-two million, six hundred sixty-one thousand, four hundred seventy-three".